Roller for plastics



FIG. 1 is a front perspective view of my roller for plastics design;

FIG. 2 is a front side view of my design, with the back side view being a mirror image of the front side view;

FIG. 3 is a bottom view of my design;

FIG. 4 is a top view of my design; and,

FIG. 5 is a right side view of my design, with the left side view being a mirror image of the right side view. 

The ornamental design for a roller for plastics, as shown and described. 